USGS Water-Year Summary 2024
320845110551201 (D-15-14)09bac
Basin and Range basin-fill aquifers
LOCATION - Lat 32°08'45", long 110°55'12" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 NW 1/4 sec.09, T.15 S., R.14 E., Pima County, AZ, Hydrologic Unit 15050301, within the Tucson ground-water basin, about .25 mi east of Country Club on Alvord Road. Owner: U.S. Geological Survey.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,030 ft. Upper casing diameter 6. in; top of first opening 1,000 ft, bottom of last opening 1,030 ft.
DATUM - Land-surface datum is 2,636 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF CASING, 1.5 ft above land-surface datum, Nov. 3, 1983, to present.
PERIOD OF RECORD - Nov. 1983 to current year.
GAGE - Water-level and compaction recorders.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 143.29 ft below land-surface datum, Apr. 6, 1984; lowest recorded, 153.0 ft below land-surface datum, Oct. 29 - Nov. 10, 2005.